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Deepshikha minz from Baghwar Academy, Ranchi
Subject :NSO    Class : Class 8
Which coil produces the strongest electromagnet for a given flow of current? A. A 10 cm coil with 100 turns B. A 5 cm coil with 200 turns C. A 10 cm coil with 200 turns D. A 20 cm coil with 200 turns

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